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Now, when we talked about optimization problems in dynamic programming, I said there were two things to look for.
现在，当我们讨论,动态编程中的最优化问题时，我想说有两件事需要注意。
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I noticed that a lot of women in London have red hair.
我注意到伦敦很多女人都有一头红头发。
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I mean, they have no idea how hard we work, and look at this gigantic split infinitive, to dramatically help.
他们不知道我们有多么努力地工作，注意到这之间的巨大鸿沟，会有很大的帮助。
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So notice a difference in these structures, is this has an n h bond whereas this has an o h bond.
注意它们之间的有一点不同，那就是一个有氮氢键,而另一个有氧氢键。
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The code is unusually conspicuous, complex, and enigmatic; it attracts an inordinate amount of attention to itself, and this attention has to acquire the rigor of a method.
这种代码通常很显著，复杂，神秘;,它把大量的注意力都吸引到自己身上，这种注意力得有一种方法的严肃性。
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And then notice the structure, WHILE I got a keyword WHILE, there's that color identifying it, and in parentheses I have a test.
然后注意这个结构，有一个关键词，颜色就可以区分出它了，然后括号内是个测试。
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It's a twisted ladder and there's a couple of things to notice about this familiar structure.
它犹如扭曲的梯子,对于这众所周知的结构有几件事必须注意
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In fact, he noticed that madmen sometimes believe they have extra limbs or they believe they're of different sizes and shapes than they really are.
事实上他注意到,疯子有时会相信自己有额外的四肢,或者相信他们的大小与形状,是与实际不同的
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Let's just notice that there's a difference between saying can't be seen through the eyes and can't be observed through one sense or the other.
我们只需注意到,说眼睛看不到,和不能通过感官感知到,这两者是有区别的。
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But what's interesting about this particular example is one, it's imperfect.
但是，关于这个特定的例子,有两点需要注意,第一，它并不完美。
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So we'll focus on the bass and we'll try to sing the bass, and if we find that in singing the bass our voice is not changing, probably the harmony hasn't changed.
现在把我们的注意力放到低声部上，尽量唱出低声部，如果在唱的过程中我们觉得自己的声音没有变化，那和声就很有可能没有改变。
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They're interesting biological reasons for that, but certainly it's relevant, and it's important of course for physicians to be aware of this when they're screening overweight people for Diabetes given that excess risk in the women.
这些生理因素很有趣,也很有意义,考虑到女性的患病风险更高,医生们在为超重人群检查糖尿病时,很有必要注意到女性的患病风险
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Now, here's another document that you want to be aware of that gives you some idea of what the Greeks fairly early thought the polis was for and about, and what the relationship between individual and polis was.
现在,这有另一份你们应该注意的材料,它能让你了解一些早期希腊人,是如何认识城邦的作用和本质,以及个人与城邦之间的关系的
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Well one reason I want to go back is you'll notice I've been putting up these lines on the board and when we visited elections on the second day, we said that you could think of that line on the board, as being not just left wing, right wing politics but also some dimension of products.
原因之一是我想你们将注意到,我在黑板上画了一条线,当我学习第二天学习的选举时,我们讲过你们可以想象黑板上有条线,不仅是左派和右派的政治家,还可以是某种产品特性
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I noticed that there are tons of tourists here in London.
我注意到伦敦有大量的游客。
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so it's important to note that it's not in b, now we're talking about b plus, because we've already taken an electron out here.
其中有一个非常重要的地方需要注意，不是硼，而是正一价硼离子，因为我们已经拿走了一个电子了。
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The important findings of note are the following.
这些结果有以下几点需要注意的。
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Some of which I built: cmp, init, str. And there, notice, are the internal definitions And in fact I should've said, we often call those things fields.
就是给我一个所有东西的列表：,所有的方法，与这个类关联的，有一些是我写的：,还有这里，请注意，是一些内部的定义。
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There's five electrons So what you'll notice here is that I only filled in 3 electrons.
它有5个电子,你们这里会注意到我只填了3个电子。
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And those are two things that you'd like to do with every looping construct you write: you'd like to be able to assure yourself that they will always terminate, and then the second thing you'd like to do, is to assure yourself that it does give you back a reasonable answer.
就是现在我有了能去检查程序,是不是做了正确的操作的能力：,这就是你们在写每个循环程序的时候,都要注意的两个事情：,第一件事情是要确保程序可以终结，第二件你要做的事情,就是要确保程序返回了正确的答案。
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So here's a tip if you've not picked up on this already.
这里有一个小的提示，如果你们还没有注意到。
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You've probably already noticed that there's some material that's set aside from the text in boxes, and I encourage you to particularly look at those boxes for this chapter.
你们可能已经注意到,在正文旁边的方框里有一些材料,我希望你们仔细看看方框中的内容
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But you see the difference. Great question, and a very important thing to understand, and that's why I'm belaboring this point, since this is where people tend to get pretty confused, and this is why mutation is very important to understand. Yeah.
但是你们已经发现区别了，这问题挺好的，并且有重要的一点需要我们去注意的是，人们经常对可变性这一点感到很迷惑，但是可变性是很重要的,我们需要理解它,这也是我经常强调这一点的原因。
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But it's an attempting mistake if you're not being careful.
但如果你们不注意,这个错误还是有可能的。
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Now the two things to notice about this are the high spike that you have out here which occurs very rapidly and then the rapid decline in blood sugar, and insulin is involved in this whole reaction.
有两个需要注意的事情是,你们在这看到的急剧变化的曲线代表着,迅速上升和迅速下降的血糖,另外胰岛素也随之发生变化
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OK. Note, by the way, if I chase through each possible path, like there's some IFs in here, if there's some places to go, at least in this piece of code, every possible path through this code ends in a return. And that's a good programming discipline, to make sure that happens.
注意一下,如果我跟进每一条可能的路径，像是这里的，起码在这段代码中就有很多走向，这段代码中的每一条可能路径,在结尾都会返回一个值,这就是一条很好的编程定律，请确保这样做。
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And then the psychologists went around and they asked the people, "How many of you noticed this person's T-shirt?"
然后心理学家,问别人，“你们有多少人注意到这个人的T恤了？”
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And notice, unlike Scratch where some of you might have realized it starts to get a little ugly, you have an "if else" and then you have another here and another one and things start to move and move and move like this, it gets very messy.
请注意，不像Scratch，在那里,你们其中某些人可能认识到它变得有点丑，你有一个“if，else“然后这里又另一个,那里又有一个，代码就像这样开始跳转，跳转再跳转,它开始变得有点凌乱了。
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It turns out that people-- And then he had them go about their day and asked them, "How many people noticed your T-shirt?"
结果发现人们…,他让这些人过完这一天，然后问他们，”有多少人注意到你的T恤了？“
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